"A momentary burst of lights unequalled in the annals of photography turns night into day for this history making picture marking the centennial of the world famous Horseshoe Curve of the Pennsylvania Railroad, an engineering marvel to this day and...

A momentary burst of lights unequalled in the annals of photography turns night into day for this history making picture marking the centennial of the world famous Horseshoe Curve of the Pennsylvania Railroad, an engineering marvel to this day and...

Text from back of image: "Lieut. John Leland McAlister, U.S. Army pilot who was unable to gain altitude while flying over the mountainous region near Altoona, PA. The ship wsa headed for a crash, and when two hundred feet from the ground Lieut....